2090781

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 3841344

約数和(自身を除く): 1750563

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 431, 441, 539, 693, 1293, 1617, 3017, 3879, 4741, 4851, 9051, 14223, 21119, 27153, 33187, 42669, 63357, 99561, 190071, 232309, 298683, 696927, 2090781]

約数ペア:

[(1, 2090781), (3, 696927), (7, 298683), (9, 232309), (11, 190071), (21, 99561), (33, 63357), (49, 42669), (63, 33187), (77, 27153), (99, 21119), (147, 14223), (231, 9051), (431, 4851), (441, 4741), (539, 3879), (693, 3017), (1293, 1617)]